Home / 642,656.58-963,790.55-193,258.16

Finding the Fourth Proportional to 642,656.58, 963,790.55 and 193,258.16

Calculator

Solution

The fourth proportional to 642,656.58, 963,790.55 and 193,258.16 is: 289,828.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    642,656.58 : 963,790.55 = 193,258.16 : x
  2. Step 2: Convert to fraction form
    642,656.58/963,790.55 = 193,258.16/x
  3. Step 3: Cross multiply
    642,656.58x = 963,790.55 × 193,258.16
  4. Step 4: Simplify right side
    642,656.58x = 186,260,388,318.39
  5. Step 5: Solve for x
    x = 186,260,388,318.39/642,656.58
  6. Step 6: Final answer
    x = 289,828.80

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.